beta-lactamase vs penicillinase

beta-lactamase and penicillinase both are nouns.

Word	Noun	Adjective	Verb	Adverb
beta-lactamase	Yes	No	No	No
penicillinase	Yes	No	No	No

As nouns, beta-lactamase and penicillinase are synonyms defined as:

beta-lactamase and penicillinase: enzyme produced by certain bacteria that inactivates penicillin and results in resistance to that antibiotic

beta-lactamase (noun)	penicillinase (noun)
enzyme produced by certain bacteria that inactivates penicillin and results in resistance to that antibiotic	enzyme produced by certain bacteria that inactivates penicillin and results in resistance to that antibiotic